Clickers are a popular tool in large science classes. The authors find that clickers can also be used in small undergraduate- and graduate-level science classes, and to some extent also in laboratory classes, to achieve the same purposes as in large classes. Issues that can be addressed using clickers include fully engaging all students,…

The authors explored whether a new pedagogy using personal response systems (clickers) along with case study teaching improved students' perceptions of their understanding of science in large introductory biology classrooms. Twelve faculty from nine institutions and 1,457 students across the United States and Canada participated in this study.…

Despite years of formal education, approximately one-third of all undergraduate students still cannot explain the causes of the seasons. Student manipulation of a handheld model is one approach to teaching this concept; however, the large number of students in many introductory classes can dissuade instructors from utilizing this teaching…